EP2351623A4 - Method for forming deformed cross-section and formed article of quadrilateral cross-section exhibiting excellent spot weldability - Google Patents

Method for forming deformed cross-section and formed article of quadrilateral cross-section exhibiting excellent spot weldability

Info

Publication number
EP2351623A4
EP2351623A4 EP09816295A EP09816295A EP2351623A4 EP 2351623 A4 EP2351623 A4 EP 2351623A4 EP 09816295 A EP09816295 A EP 09816295A EP 09816295 A EP09816295 A EP 09816295A EP 2351623 A4 EP2351623 A4 EP 2351623A4
Authority
EP
European Patent Office
Prior art keywords
section
cross
formed article
exhibiting excellent
spot weldability
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP09816295A
Other languages
German (de)
French (fr)
Other versions
EP2351623B1 (en
EP2351623A1 (en
Inventor
Toyohisa Shinmiya
Koji Suzuki
Osamu Sonobe
Yuji Hashimoto
Rinsei Ikeda
Akio Sato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JFE Steel Corp
Original Assignee
JFE Steel Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JFE Steel Corp filed Critical JFE Steel Corp
Publication of EP2351623A1 publication Critical patent/EP2351623A1/en
Publication of EP2351623A4 publication Critical patent/EP2351623A4/en
Application granted granted Critical
Publication of EP2351623B1 publication Critical patent/EP2351623B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
    • B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
    • B21D26/033—Deforming tubular bodies
    • B21D26/041—Means for controlling fluid parameters, e.g. pressure or temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
    • B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
    • B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
    • B21D26/033—Deforming tubular bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00—Making hollow objects
    • B21D51/02—Making hollow objects characterised by the structure of the objects
    • B21D51/06—Making hollow objects characterised by the structure of the objects folded objects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
EP09816295.1A 2008-09-25 2009-09-24 Method for forming deformed cross-section and formed article of quadrilateral cross-section exhibiting excellent spot weldability Active EP2351623B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2008246271 2008-09-25
JP2008246268 2008-09-25
PCT/JP2009/067123 WO2010035883A1 (en) 2008-09-25 2009-09-24 Method for forming deformed cross-section and formed article of quadrilateral cross-section exhibiting excellent spot weldability

Publications (3)

Publication Number Publication Date
EP2351623A1 EP2351623A1 (en) 2011-08-03
EP2351623A4 true EP2351623A4 (en) 2012-10-31
EP2351623B1 EP2351623B1 (en) 2016-08-17

Family

ID=42059870

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09816295.1A Active EP2351623B1 (en) 2008-09-25 2009-09-24 Method for forming deformed cross-section and formed article of quadrilateral cross-section exhibiting excellent spot weldability

Country Status (4)

Country Link
EP (1) EP2351623B1 (en)
KR (2) KR20130083492A (en)
CN (1) CN102164690A (en)
WO (1) WO2010035883A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102672026B (en) * 2012-05-28 2014-03-26 哈尔滨工业大学 Method for inhibiting martensite phase transformation in internal high-pressure forming of austenitic stainless steel pipe
US9545657B2 (en) * 2014-06-10 2017-01-17 Ford Global Technologies, Llc Method of hydroforming an extruded aluminum tube with a flat nose corner radius
US20150315666A1 (en) 2014-04-30 2015-11-05 Ford Global Technologies, Llc Induction annealing as a method for expanded hydroformed tube formability
JP6670543B2 (en) * 2014-12-11 2020-03-25 住友重機械工業株式会社 Molding apparatus and molding method
CN106311857B (en) * 2015-12-21 2017-11-07 青岛世冠装备科技有限公司 A kind of swollen manufacturing process of complex section hollow member low pressure upsetting
CN105562516B (en) * 2016-03-15 2018-03-30 哈尔滨工业大学 A kind of variable cross-section special piece topping up method for press forming
CN107243538A (en) * 2017-08-08 2017-10-13 天津天锻航空科技有限公司 A kind of method that big girth rectangle is shaped by Xiao Zhou's Circular Pipe
CN111957804B (en) * 2020-07-20 2021-06-29 燕山大学 Device for liquid-filling bending forming of thin-walled tube and forming method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5339667A (en) * 1993-04-19 1994-08-23 General Motors Corporation Method for pinch free tube forming
WO2001043897A1 (en) * 1999-12-15 2001-06-21 Vari-Form Inc. Compressive hydroforming
EP1166914A1 (en) * 2000-06-16 2002-01-02 IVECO FIAT S.p.A. Method of producing front axles for industrial vehicles
EP1293415A1 (en) * 2001-03-27 2003-03-19 Nippon Steel Corporation Automobile strengthening member

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10156429A (en) * 1996-11-29 1998-06-16 Hitachi Ltd Method for forming tube having complicated special cross section tube
JP3206505B2 (en) * 1997-08-06 2001-09-10 住友金属工業株式会社 Hydraulic bulge processing method and hydraulic bulge processing apparatus for metal tube
JP4086216B2 (en) * 1999-03-02 2008-05-14 株式会社エフテック Hydroforming method of pipe material
JP2001096316A (en) * 1999-09-27 2001-04-10 Nkk Corp Hydroforming method for steel pipe
JP4631130B2 (en) 2000-05-25 2011-02-16 住友金属工業株式会社 Modified tubular product and manufacturing method thereof
JP2002220069A (en) * 2001-01-25 2002-08-06 Mitsubishi Motors Corp Car body member
JP3972006B2 (en) * 2003-02-27 2007-09-05 新日本製鐵株式会社 Hydroform processing method and hydroform processing mold

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5339667A (en) * 1993-04-19 1994-08-23 General Motors Corporation Method for pinch free tube forming
WO2001043897A1 (en) * 1999-12-15 2001-06-21 Vari-Form Inc. Compressive hydroforming
EP1166914A1 (en) * 2000-06-16 2002-01-02 IVECO FIAT S.p.A. Method of producing front axles for industrial vehicles
EP1293415A1 (en) * 2001-03-27 2003-03-19 Nippon Steel Corporation Automobile strengthening member

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2010035883A1 *

Also Published As

Publication number Publication date
KR20130083492A (en) 2013-07-22
EP2351623B1 (en) 2016-08-17
EP2351623A1 (en) 2011-08-03
WO2010035883A1 (en) 2010-04-01
KR20110046557A (en) 2011-05-04
KR101322229B1 (en) 2013-10-28
CN102164690A (en) 2011-08-24

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